Citazione Stile APA (7a Edizione)

Kiel Fred. (2015). Return on Character. Harvard Bus. School.

Citazione stile Chigago Style (17a edizione)

Kiel Fred. Return on Character. Boston: Harvard Bus. School, 2015.

Citatione MLA (9a ed.)

Kiel Fred. Return on Character. Harvard Bus. School, 2015.